11620089 has 12 divisors (see below), whose sum is σ = 18075876. Its totient is φ = 7150752.

The previous prime is 11620079. The next prime is 11620111. The reversal of 11620089 is 98002611.

It can be written as a sum of positive squares in 2 ways, for example, as 1904400 + 9715689 = 1380^2 + 3117^2 .

It is not a de Polignac number, because 11620089 - 2⁵ = 11620057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11620079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49542 + ... + 49775.

It is an arithmetic number, because the mean of its divisors is an integer number (1506323).

Almost surely, 2^11620089 is an apocalyptic number.

It is an amenable number.

11620089 is a deficient number, since it is larger than the sum of its proper divisors (6455787).

11620089 is a wasteful number, since it uses less digits than its factorization.

11620089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99336 (or 99333 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 11620089 is about 3408.8251641878. The cubic root of 11620089 is about 226.5008406033.

The spelling of 11620089 in words is "eleven million, six hundred twenty thousand, eighty-nine".